<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
           
        </el-breadcrumb>

        <el-card>
            <el-row :gutter="20">
                <el-col :span="7">
                     <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>    
                </el-col>    
            </el-row>
        

        <!--用户列表区域-->
        <el-table :data="userlist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态">
                <template v-slot="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)"></el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作" width="180px">
                <template v-slot="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                    <el-tooltip :enterable="false" effect="dark" content="分配角色" placement="top">
                        <el-button type="warning" icon="el-icon-setting" @click="setRole(scope.row)" size="mini"></el-button>
                    </el-tooltip>
                        
                </template>
            </el-table-column>


        </el-table>
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 3, 4]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>

        </el-card>

        <!--添加用户-->
        <el-dialog
            title="添加用户"
            :visible.sync="addDialogVisible"
            width="50%" @close="addDialogClosed">
            <!--内容主体区-->
            <el-form :model="addForm" :rules="addFormRules" ref="ruleFormRef" label-width="70px" >
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>

                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>

                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>

                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <!--底部区-->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>


        <!--修改样式的对话框-->
        <el-dialog
            title="修改用户"
            :visible.sync="editDialogVisible"
            width="50%" @close="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>

                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>

                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>

               
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="deditDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>

        
        <!--分配角色的对话框-->
        <el-dialog
            title="分配角色""
            :visible.sync="setRoleDialogVisible"
            width="30%"
            :before-close="handleClose" @close="setRoleDialogClosed">
            <div>
                <p>当前的用户:{{userInfo.username}}</p>
                <p>当前的角色:{{userInfo.role_name}}</p>
                <p>分配新角色:
                    <el-select v-model="selectedRoledId" placeholder="请选择">
                        <el-option
                          v-for="item in rolesList"
                          :key="item.id"
                          :label="item.roleName"
                          :value="item.id">
                        </el-option>
                      </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data(){
        var checkEmail = (rule,value,cb) => {
            //验证邮箱的正则
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if(regEmail.test(value)) {
                return cb()
            }

            cb(new Error('请输入合法的邮箱'))
        }

        var checkMobile = (rule,value,cb) => {
            
            const regMobile = /^1[34578]\d{9}$/
            if (regMobile.test(value)) {
            return cb()
            }
            cb(new Error('请输入合法的手机号码'))
        }

        return {
            //获取用户列表的参数
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:2
            },
            userlist:[],
            total:0,
            addDialogVisible:false,
            //添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            //添加表单的验证规则对象
            addFormRules:{
                username:[
                    {required:true,message:"请输入用户名",trigger:'blur'},
                    {min:3,max:10,message:'用户名的长度在3-10个字符之间',trigger:'blur'}
                ],
                password:[
                    {required:true,message:"请输入密码",trigger:'blur'},
                    {min:6,max:10,message:'用户名的长度在6-10个字符之间',trigger:'blur'}
                ],
                email:[
                    {required:true,message:"请输入邮箱",trigger:'blur'},
                  
                    {validator:checkEmail,trigger:'blur'}
                ],
                mobile:[
                    {required:true,message:"请输入手机号",trigger:'blur'},
                    {min:6,max:18,message:'手机号的长度在6-18个字符之间',trigger:'blur'},
                    {validator:checkMobile,trigger:'blur'}
                ]
            },
            editDialogVisible:false,
            editForm:{},
            editFormRules:{
                email:[
                    {required:true,message:"请输入邮箱",trigger:'blur'},
                    {validator:checkEmail,trigger:'blur'}
                ],
                 mobile:[
                    {required:true,message:"请输入手机号",trigger:'blur'},
                    {min:6,max:18,message:'手机号的长度在6-18个字符之间',trigger:'blur'},
                    {validator:checkMobile,trigger:'blur'}
                ]
            },
            setRoleDialogVisible:false,
            userInfo:{},
            rolesList:[],
            selectedRoledId:''
            
            }
    },
    created() {
        this.getUserList()
    },
    methods: {
        async getUserList(){
            const {data:res} = await this.$http.get('users',{params:this.queryInfo})
            if (res.meta.status !== 200) {
                return this.$message.error('获取用户列表失败')
        }
        this.userlist = res.data.users
        this.total = res.data.total

        },
        handleSizeChange(newsize){
            this.queryInfo.pagesize = newsize
            this.getUserList()
        },
        handleCurrentChange(newpage){
            //监听页码值改变
            this.queryInfo.pagenum = newpage
            this.getUserList()
        },
        async userStateChange(userinfo){
            const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            if (res.meta.status !== 200) {
                userinfo.mg_state = !userinfo.mg_state
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功')
            
        },
        addDialogClosed(){
            this.$refs.ruleFormRef.resetFields()
        },
        addUser(){
            this.$refs.ruleFormRef.validate(async valid => {
                if (!valid) return
                //可以发起添加用户的网络请求
                const {data:res} = await this.$http.post('users',this.addForm)
                if(res.meta.status !== 201){
                    this.$message.error('添加用户失败')
                }
                this.$message.success('添加用户成功')
                //隐藏用户对话框
                this.addDialogVisible = false
                this.getUserList()
            })
        },
        async showEditDialog(id){
            const {data:res} = await this.$http.get('users/' + id)
            if(res.meta.status !== 200){
                return this.$message.error('查询数据错误')
            }
            this.editForm = res.data
            this.editDialogVisible = true

        },
        //监听修改用户对话框的关闭事件
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        editUserInfo()
        {
            //先对数据进行校验
            this.$refs.editFormRef.validate(async valid =>{
                
                console.log(valid,this.editForm.id,this.editForm.email)
                const {data:res} = await this.$http.put('users/'+this.editForm.id,{
                   
                    email:this.editForm.email,
                    mobile:this.editForm.mobile,
                    
                }
                )
                if(res.meta.status !== 200){
                    
                    return this.$message.error('更新用户信息失败')
                }

                //关闭对话框

                this.editDialogVisible = false

                //刷新数据列表
                this.getUserList()
                //提示修改成功
                this.$message.success('更新用户信息成功！')

            })
        },
        //根据id删除用户的信息
        async removeUserById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)

            //如果用户确认删除，则返回为字符串 confirm
            // 如果用户取消删除，则返回值为字符串 cancel
            // console.log(confirmResult)
            if(confirmResult !== 'confirm'){
                return this.$message.info('已取消删除')
            }
            console.log(confirmResult)

            const {data:res} = await this.$http.delete('users/'+id)
            if(res.meta.status !== 200){
                return this.$message.error('删除用户失败')
                
            }
            this.$message.success('删除用户成功')
            this.getUserList()
        },
        async setRole(userinfo){
            this.userInfo = userinfo
            const {data:res} = await this.$http.get('roles')
            if(res.meta.status !== 200){
                return this.$message.error('获取失败')
            }
            this.setRoleDialogVisible = true
            this.rolesList = res.data
        },
        async saveRoleInfo(){
            if(!this.selectedRoledId){
                return this.$message.error('请选择要分配的角色')
            }
            const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
                rid:this.selectedRoledId
            })

            if(res.meta.status !== 200){
                return this.$message.error('更新角色失败')
            }

            this.$message.success('更新成功')
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        setRoleDialogClosed(){
            this.selectedRoledId = ''
            this.userInfo = {}
        }
        
    },
}
</script>
<style lang="less" scoped>

</style>